UltraStar Deluxe (ultrastardx)

UltraStar Deluxe (often distributed as ultrastardx.exe on Windows) is an open-source karaoke and music/rhythm game inspired by commercial titles like SingStar. Players sing along to songs using a microphone and are scored based on pitch and timing; the project supports custom song files and community-created content, allowing large libraries of tracks and custom charts.

The application offers single-player and multiplayer modes, party features, and song editors so users can create and import th...